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Abstract
Peak accelerations of the Loma Prieta main shock have been tabulated from instruments maintained by a number of organizations. A subset of 86 records from nominally free-field sites have been analyzed which have been subdivided into rock, alluvium, and bay-mud categories according to data available in various reports. After correction for attenuation, the peak accelerations on rock, alluvium, and bay-mud sites are factors of 1.6, 1.8 and 4.5 larger, on the average, than Joyner and Boore's (1988) predicted values for a M=6.9 earthquake. The Loma Prieta earthquake provided the first opportunity to study the relative amplitudes from strong-motion recordings. -from Authors
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Peak accelerations from the 17 October 1989 Loma Prieta earthquake |
| Series title | Seismological Research Letters |
| Volume | 60 |
| Issue | 4 |
| Year Published | 1989 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Seismological Research Letters |
| First page | 151 |
| Last page | 166 |
| Google Analytic Metrics | Metrics page |